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authorIngo Molnar <mingo@elte.hu>2009-03-02 16:08:56 -0500
committerIngo Molnar <mingo@elte.hu>2009-03-02 16:08:56 -0500
commitc02368a9d059322f913a58111eade87a656fefd5 (patch)
tree2f02dbbe69b86535f58d2010d9adfb20a9c16fb9 /kernel/fork.c
parentf17c75453b2d195eba0a90d9f16a3ba88c85b3b4 (diff)
parent778ef1e6cbb049c9bcbf405936ee6f2b6e451892 (diff)
Merge branch 'linus' into irq/genirq
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index bf0cef8bbdf2..a66fbde20715 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -817,17 +817,17 @@ static void posix_cpu_timers_init_group(struct signal_struct *sig)
817static int copy_signal(unsigned long clone_flags, struct task_struct *tsk) 817static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
818{ 818{
819 struct signal_struct *sig; 819 struct signal_struct *sig;
820 int ret;
821 820
822 if (clone_flags & CLONE_THREAD) { 821 if (clone_flags & CLONE_THREAD) {
823 ret = thread_group_cputime_clone_thread(current); 822 atomic_inc(&current->signal->count);
824 if (likely(!ret)) { 823 atomic_inc(&current->signal->live);
825 atomic_inc(&current->signal->count); 824 return 0;
826 atomic_inc(&current->signal->live);
827 }
828 return ret;
829 } 825 }
830 sig = kmem_cache_alloc(signal_cachep, GFP_KERNEL); 826 sig = kmem_cache_alloc(signal_cachep, GFP_KERNEL);
827
828 if (sig)
829 posix_cpu_timers_init_group(sig);
830
831 tsk->signal = sig; 831 tsk->signal = sig;
832 if (!sig) 832 if (!sig)
833 return -ENOMEM; 833 return -ENOMEM;
@@ -851,21 +851,20 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
851 sig->tty_old_pgrp = NULL; 851 sig->tty_old_pgrp = NULL;
852 sig->tty = NULL; 852 sig->tty = NULL;
853 853
854 sig->cutime = sig->cstime = cputime_zero; 854 sig->utime = sig->stime = sig->cutime = sig->cstime = cputime_zero;
855 sig->gtime = cputime_zero; 855 sig->gtime = cputime_zero;
856 sig->cgtime = cputime_zero; 856 sig->cgtime = cputime_zero;
857 sig->nvcsw = sig->nivcsw = sig->cnvcsw = sig->cnivcsw = 0; 857 sig->nvcsw = sig->nivcsw = sig->cnvcsw = sig->cnivcsw = 0;
858 sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0; 858 sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0;
859 sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0; 859 sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0;
860 task_io_accounting_init(&sig->ioac); 860 task_io_accounting_init(&sig->ioac);
861 sig->sum_sched_runtime = 0;
861 taskstats_tgid_init(sig); 862 taskstats_tgid_init(sig);
862 863
863 task_lock(current->group_leader); 864 task_lock(current->group_leader);
864 memcpy(sig->rlim, current->signal->rlim, sizeof sig->rlim); 865 memcpy(sig->rlim, current->signal->rlim, sizeof sig->rlim);
865 task_unlock(current->group_leader); 866 task_unlock(current->group_leader);
866 867
867 posix_cpu_timers_init_group(sig);
868
869 acct_init_pacct(&sig->pacct); 868 acct_init_pacct(&sig->pacct);
870 869
871 tty_audit_fork(sig); 870 tty_audit_fork(sig);
@@ -1007,6 +1006,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
1007 * triggers too late. This doesn't hurt, the check is only there 1006 * triggers too late. This doesn't hurt, the check is only there
1008 * to stop root fork bombs. 1007 * to stop root fork bombs.
1009 */ 1008 */
1009 retval = -EAGAIN;
1010 if (nr_threads >= max_threads) 1010 if (nr_threads >= max_threads)
1011 goto bad_fork_cleanup_count; 1011 goto bad_fork_cleanup_count;
1012 1012
@@ -1095,7 +1095,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
1095#ifdef CONFIG_DEBUG_MUTEXES 1095#ifdef CONFIG_DEBUG_MUTEXES
1096 p->blocked_on = NULL; /* not blocked yet */ 1096 p->blocked_on = NULL; /* not blocked yet */
1097#endif 1097#endif
1098 if (unlikely(ptrace_reparented(current))) 1098 if (unlikely(current->ptrace))
1099 ptrace_fork(p, clone_flags); 1099 ptrace_fork(p, clone_flags);
1100 1100
1101 /* Perform scheduler related setup. Assign this task to a CPU. */ 1101 /* Perform scheduler related setup. Assign this task to a CPU. */